feat(query-tool): split serial reverse trace tab and use reverse lineage

tests/e2e/test_query_tool_e2e.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-"""E2E coverage for the Query Tool page (LOT 追蹤 + 設備查詢 tabs)."""
+"""E2E coverage for the Query Tool page tabs and core query flows."""
 
 from __future__ import annotations
 
@@ -262,10 +262,12 @@ class TestQueryToolPageE2E:
         heading = page.get_by_role("heading", name="批次追蹤工具")
         expect(heading).to_be_visible()
 
-        # Both tab buttons should exist
-        lot_tab = page.locator("button", has_text="LOT 追蹤")
-        equipment_tab = page.locator("button", has_text="設備查詢")
+        # All tab buttons should exist
+        lot_tab = page.locator("button", has_text="批次追蹤(正向)")
+        reverse_tab = page.locator("button", has_text="流水批反查(反向)")
+        equipment_tab = page.locator("button", has_text="設備生產批次追蹤")
         expect(lot_tab).to_be_visible()
+        expect(reverse_tab).to_be_visible()
         expect(equipment_tab).to_be_visible()
 
     def test_lot_tab_resolve_work_order(self, page: Page, app_server: str):
@@ -388,12 +390,12 @@ class TestQueryToolPageE2E:
         textarea.fill("GA26010001")
 
         # Switch to equipment tab
-        equipment_tab = page.locator("button", has_text="設備查詢")
+        equipment_tab = page.locator("button", has_text="設備生產批次追蹤")
         equipment_tab.click()
         page.wait_for_timeout(500)
 
         # Switch back to LOT tab
-        lot_tab = page.locator("button", has_text="LOT 追蹤")
+        lot_tab = page.locator("button", has_text="批次追蹤(正向)")
         lot_tab.click()
         page.wait_for_timeout(500)
 

tests/test_trace_routes.py

@@ -59,6 +59,38 @@ def test_seed_resolve_query_tool_success(mock_resolve_lots):
     assert payload['cache_key'].startswith('trace:seed:query_tool:')
 
 
+@patch('mes_dashboard.routes.trace_routes.resolve_lots')
+def test_seed_resolve_query_tool_reverse_success(mock_resolve_lots):
+    mock_resolve_lots.return_value = {
+        'data': [
+            {
+                'container_id': 'CID-SN',
+                'lot_id': 'LOT-SN',
+            }
+        ]
+    }
+
+    client = _client()
+    response = client.post(
+        '/api/trace/seed-resolve',
+        json={
+            'profile': 'query_tool_reverse',
+            'params': {
+                'resolve_type': 'serial_number',
+                'values': ['SN-001'],
+            },
+        },
+    )
+
+    assert response.status_code == 200
+    payload = response.get_json()
+    assert payload['stage'] == 'seed-resolve'
+    assert payload['seed_count'] == 1
+    assert payload['seeds'][0]['container_id'] == 'CID-SN'
+    assert payload['seeds'][0]['container_name'] == 'LOT-SN'
+    assert payload['cache_key'].startswith('trace:seed:query_tool_reverse:')
+
+
 def test_seed_resolve_invalid_profile_returns_400():
     client = _client()
     response = client.post(
@@ -122,6 +154,38 @@ def test_lineage_success_returns_forward_tree(mock_resolve_tree):
     assert payload['names']['CID-A'] == 'LOT-A'
 
 
+@patch('mes_dashboard.routes.trace_routes.LineageEngine.resolve_full_genealogy')
+def test_lineage_reverse_profile_returns_ancestors(mock_resolve_genealogy):
+    mock_resolve_genealogy.return_value = {
+        'ancestors': {'CID-SN': {'CID-A', 'CID-B'}},
+        'cid_to_name': {
+            'CID-SN': 'LOT-SN',
+            'CID-A': 'LOT-A',
+            'CID-B': 'LOT-B',
+        },
+        'parent_map': {'CID-SN': ['CID-A'], 'CID-A': ['CID-B']},
+        'merge_edges': {'CID-SN': ['CID-A']},
+    }
+
+    client = _client()
+    response = client.post(
+        '/api/trace/lineage',
+        json={
+            'profile': 'query_tool_reverse',
+            'container_ids': ['CID-SN'],
+        },
+    )
+
+    assert response.status_code == 200
+    payload = response.get_json()
+    assert payload['stage'] == 'lineage'
+    assert payload['roots'] == ['CID-SN']
+    assert sorted(payload['ancestors']['CID-SN']) == ['CID-A', 'CID-B']
+    assert payload['parent_map']['CID-SN'] == ['CID-A']
+    assert payload['merge_edges']['CID-SN'] == ['CID-A']
+    assert payload['names']['CID-A'] == 'LOT-A'
+
+
 @patch(
     'mes_dashboard.routes.trace_routes.LineageEngine.resolve_forward_tree',
     side_effect=TimeoutError('lineage timed out'),